Vokera boiler on constantly. Room stat showing unknown code. ?
wiring a nest heat link to a vokera 25 he compact ?
Max pressure?
vokera boiler no heat but 2nd pipe from the left is red hot?
water drips from overflow?
my pressure on my boiler has gone?
Ignition failure on Vokera Vision C boiler?
how can we fix our Vokera compact 29a lose presure ?
Vokera Maxin 28e combi boiler, DHW runs hot and cold?
heating system?
rads warm up when hot water turned on vokera unica 36 he?
how to ignite voker pilot light?